7r-5r+2=5r-r

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Solution for 7r-5r+2=5r-r equation:


Simplifying
7r + -5r + 2 = 5r + -1r

Reorder the terms:
2 + 7r + -5r = 5r + -1r

Combine like terms: 7r + -5r = 2r
2 + 2r = 5r + -1r

Combine like terms: 5r + -1r = 4r
2 + 2r = 4r

Solving
2 + 2r = 4r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-4r' to each side of the equation.
2 + 2r + -4r = 4r + -4r

Combine like terms: 2r + -4r = -2r
2 + -2r = 4r + -4r

Combine like terms: 4r + -4r = 0
2 + -2r = 0

Add '-2' to each side of the equation.
2 + -2 + -2r = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -2r = 0 + -2
-2r = 0 + -2

Combine like terms: 0 + -2 = -2
-2r = -2

Divide each side by '-2'.
r = 1

Simplifying
r = 1

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